USB_Host_Shield_2.0/XBOXONE.cpp

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/* Copyright (C) 2012 Kristian Lauszus, TKJ Electronics. All rights reserved.
Copyright (C) 2015 guruthree
This software may be distributed and modified under the terms of the GNU
General Public License version 2 (GPL2) as published by the Free Software
Foundation and appearing in the file GPL2.TXT included in the packaging of
this file. Please note that GPL2 Section 2[b] requires that all works based
on this software must also be made publicly available under the terms of
the GPL2 ("Copyleft").
Contact information
-------------------
Kristian Lauszus, TKJ Electronics
Web : http://www.tkjelectronics.com
e-mail : kristianl@tkjelectronics.com
guruthree
Web : https://github.com/guruthree/
*/
#include "XBOXONE.h"
// To enable serial debugging see "settings.h"
//#define EXTRADEBUG // Uncomment to get even more debugging data
//#define PRINTREPORT // Uncomment to print the report send by the Xbox ONE Controller
XBOXONE::XBOXONE(USB *p) :
pUsb(p), // pointer to USB class instance - mandatory
bAddress(0), // device address - mandatory
bNumEP(1), // If config descriptor needs to be parsed
qNextPollTime(0), // Reset NextPollTime
pollInterval(0),
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bPollEnable(false) { // don't start polling before dongle is connected
for(uint8_t i = 0; i < XBOX_ONE_MAX_ENDPOINTS; i++) {
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epInfo[i].epAddr = 0;
epInfo[i].maxPktSize = (i) ? 0 : 8;
epInfo[i].bmSndToggle = 0;
epInfo[i].bmRcvToggle = 0;
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epInfo[i].bmNakPower = (i) ? USB_NAK_NOWAIT : USB_NAK_MAX_POWER;
}
if(pUsb) // register in USB subsystem
pUsb->RegisterDeviceClass(this); //set devConfig[] entry
}
uint8_t XBOXONE::Init(uint8_t parent, uint8_t port, bool lowspeed) {
uint8_t buf[sizeof (USB_DEVICE_DESCRIPTOR)];
USB_DEVICE_DESCRIPTOR * udd = reinterpret_cast<USB_DEVICE_DESCRIPTOR*>(buf);
uint8_t rcode;
UsbDevice *p = NULL;
EpInfo *oldep_ptr = NULL;
uint16_t PID, VID;
uint8_t num_of_conf; // Number of configurations
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// get memory address of USB device address pool
AddressPool &addrPool = pUsb->GetAddressPool();
#ifdef EXTRADEBUG
Notify(PSTR("\r\nXBOXONE Init"), 0x80);
#endif
// check if address has already been assigned to an instance
if(bAddress) {
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nAddress in use"), 0x80);
#endif
return USB_ERROR_CLASS_INSTANCE_ALREADY_IN_USE;
}
// Get pointer to pseudo device with address 0 assigned
p = addrPool.GetUsbDevicePtr(0);
if(!p) {
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nAddress not found"), 0x80);
#endif
return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
}
if(!p->epinfo) {
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nepinfo is null"), 0x80);
#endif
return USB_ERROR_EPINFO_IS_NULL;
}
// Save old pointer to EP_RECORD of address 0
oldep_ptr = p->epinfo;
// Temporary assign new pointer to epInfo to p->epinfo in order to avoid toggle inconsistence
p->epinfo = epInfo;
p->lowspeed = lowspeed;
// Get device descriptor
rcode = pUsb->getDevDescr(0, 0, sizeof (USB_DEVICE_DESCRIPTOR), (uint8_t*)buf); // Get device descriptor - addr, ep, nbytes, data
// Restore p->epinfo
p->epinfo = oldep_ptr;
if(rcode)
goto FailGetDevDescr;
VID = udd->idVendor;
PID = udd->idProduct;
if(!VIDPIDOK(VID, PID)) // Check VID
goto FailUnknownDevice;
// Allocate new address according to device class
bAddress = addrPool.AllocAddress(parent, false, port);
if(!bAddress)
return USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL;
// Extract Max Packet Size from device descriptor
epInfo[0].maxPktSize = udd->bMaxPacketSize0;
// Assign new address to the device
rcode = pUsb->setAddr(0, 0, bAddress);
if(rcode) {
p->lowspeed = false;
addrPool.FreeAddress(bAddress);
bAddress = 0;
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nsetAddr: "), 0x80);
D_PrintHex<uint8_t > (rcode, 0x80);
#endif
return rcode;
}
#ifdef EXTRADEBUG
Notify(PSTR("\r\nAddr: "), 0x80);
D_PrintHex<uint8_t > (bAddress, 0x80);
#endif
//delay(300); // Spec says you should wait at least 200ms
p->lowspeed = false;
//get pointer to assigned address record
p = addrPool.GetUsbDevicePtr(bAddress);
if(!p)
return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
p->lowspeed = lowspeed;
// Assign epInfo to epinfo pointer - only EP0 is known
rcode = pUsb->setEpInfoEntry(bAddress, 1, epInfo);
if(rcode)
goto FailSetDevTblEntry;
num_of_conf = udd->bNumConfigurations; // Number of configurations
USBTRACE2("NC:", num_of_conf);
// Check if attached device is a Xbox One controller and fill endpoint data structure
for(uint8_t i = 0; i < num_of_conf; i++) {
ConfigDescParser<0, 0, 0, 0> confDescrParser(this); // Allow all devices, as we have already verified that it is a Xbox One controller from the VID and PID
rcode = pUsb->getConfDescr(bAddress, 0, i, &confDescrParser);
if(rcode) // Check error code
goto FailGetConfDescr;
if(bNumEP >= XBOX_ONE_MAX_ENDPOINTS) // All endpoints extracted
break;
}
if(bNumEP < XBOX_ONE_MAX_ENDPOINTS)
goto FailUnknownDevice;
rcode = pUsb->setEpInfoEntry(bAddress, bNumEP, epInfo);
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if(rcode)
goto FailSetDevTblEntry;
delay(200); // Give time for address change
rcode = pUsb->setConf(bAddress, epInfo[ XBOX_ONE_CONTROL_PIPE ].epAddr, bConfNum);
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if(rcode)
goto FailSetConfDescr;
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nXbox One Controller Connected\r\n"), 0x80);
#endif
delay(200); // let things settle
// Initialize the controller for input
cmdCounter = 0; // Reset the counter used when sending out the commands
uint8_t writeBuf[5];
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writeBuf[0] = 0x05;
writeBuf[1] = 0x20;
// Byte 2 is set in "XboxCommand"
writeBuf[3] = 0x01;
writeBuf[4] = 0x00;
rcode = XboxCommand(writeBuf, 5);
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if (rcode)
goto Fail;
onInit();
XboxOneConnected = true;
bPollEnable = true;
return 0; // Successful configuration
/* Diagnostic messages */
FailGetDevDescr:
#ifdef DEBUG_USB_HOST
NotifyFailGetDevDescr();
goto Fail;
#endif
FailSetDevTblEntry:
#ifdef DEBUG_USB_HOST
NotifyFailSetDevTblEntry();
goto Fail;
#endif
FailGetConfDescr:
#ifdef DEBUG_USB_HOST
NotifyFailGetConfDescr();
goto Fail;
#endif
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FailSetConfDescr:
#ifdef DEBUG_USB_HOST
NotifyFailSetConfDescr();
#endif
goto Fail;
FailUnknownDevice:
#ifdef DEBUG_USB_HOST
NotifyFailUnknownDevice(VID, PID);
#endif
rcode = USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED;
Fail:
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nXbox One Init Failed, error code: "), 0x80);
NotifyFail(rcode);
#endif
Release();
return rcode;
}
/* Extracts endpoint information from config descriptor */
void XBOXONE::EndpointXtract(uint8_t conf,
uint8_t iface __attribute__((unused)),
uint8_t alt __attribute__((unused)),
uint8_t proto __attribute__((unused)),
const USB_ENDPOINT_DESCRIPTOR *pep)
{
bConfNum = conf;
uint8_t index;
if((pep->bmAttributes & bmUSB_TRANSFER_TYPE) == USB_TRANSFER_TYPE_INTERRUPT) { // Interrupt endpoint
index = (pep->bEndpointAddress & 0x80) == 0x80 ? XBOX_ONE_INPUT_PIPE : XBOX_ONE_OUTPUT_PIPE; // Set the endpoint index
} else
return;
// Fill the rest of endpoint data structure
epInfo[index].epAddr = (pep->bEndpointAddress & 0x0F);
epInfo[index].maxPktSize = (uint8_t)pep->wMaxPacketSize;
#ifdef EXTRADEBUG
PrintEndpointDescriptor(pep);
#endif
if(pollInterval < pep->bInterval) // Set the polling interval as the largest polling interval obtained from endpoints
pollInterval = pep->bInterval;
bNumEP++;
}
void XBOXONE::PrintEndpointDescriptor(const USB_ENDPOINT_DESCRIPTOR* ep_ptr
__attribute__((unused)))
{
#ifdef EXTRADEBUG
Notify(PSTR("\r\nEndpoint descriptor:"), 0x80);
Notify(PSTR("\r\nLength:\t\t"), 0x80);
D_PrintHex<uint8_t > (ep_ptr->bLength, 0x80);
Notify(PSTR("\r\nType:\t\t"), 0x80);
D_PrintHex<uint8_t > (ep_ptr->bDescriptorType, 0x80);
Notify(PSTR("\r\nAddress:\t"), 0x80);
D_PrintHex<uint8_t > (ep_ptr->bEndpointAddress, 0x80);
Notify(PSTR("\r\nAttributes:\t"), 0x80);
D_PrintHex<uint8_t > (ep_ptr->bmAttributes, 0x80);
Notify(PSTR("\r\nMaxPktSize:\t"), 0x80);
D_PrintHex<uint16_t > (ep_ptr->wMaxPacketSize, 0x80);
Notify(PSTR("\r\nPoll Intrv:\t"), 0x80);
D_PrintHex<uint8_t > (ep_ptr->bInterval, 0x80);
#endif
}
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/* Performs a cleanup after failed Init() attempt */
uint8_t XBOXONE::Release() {
XboxOneConnected = false;
pUsb->GetAddressPool().FreeAddress(bAddress);
bAddress = 0; // Clear device address
bNumEP = 1; // Must have to be reset to 1
qNextPollTime = 0; // Reset next poll time
pollInterval = 0;
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bPollEnable = false;
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nXbox One Controller Disconnected\r\n"), 0x80);
#endif
return 0;
}
uint8_t XBOXONE::Poll() {
uint8_t rcode = 0;
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if(!bPollEnable)
return 0;
if((int32_t)((uint32_t)millis() - qNextPollTime) >= 0L) { // Do not poll if shorter than polling interval
qNextPollTime = (uint32_t)millis() + pollInterval; // Set new poll time
uint16_t length = (uint16_t)epInfo[ XBOX_ONE_INPUT_PIPE ].maxPktSize; // Read the maximum packet size from the endpoint
uint8_t rcode = pUsb->inTransfer(bAddress, epInfo[ XBOX_ONE_INPUT_PIPE ].epAddr, &length, readBuf, pollInterval);
if(!rcode) {
readReport();
#ifdef PRINTREPORT // Uncomment "#define PRINTREPORT" to print the report send by the Xbox ONE Controller
for(uint8_t i = 0; i < length; i++) {
D_PrintHex<uint8_t > (readBuf[i], 0x80);
Notify(PSTR(" "), 0x80);
}
Notify(PSTR("\r\n"), 0x80);
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#endif
}
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#ifdef DEBUG_USB_HOST
else if(rcode != hrNAK) { // Not a matter of no update to send
Notify(PSTR("\r\nXbox One Poll Failed, error code: "), 0x80);
NotifyFail(rcode);
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}
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#endif
}
return rcode;
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}
void XBOXONE::readReport() {
if(readBuf[0] == 0x07) {
// The XBOX button has a separate message
if(readBuf[4] == 1)
ButtonState |= pgm_read_word(&XBOX_BUTTONS[ButtonIndex(XBOX)]);
else
ButtonState &= ~pgm_read_word(&XBOX_BUTTONS[ButtonIndex(XBOX)]);
if(ButtonState != OldButtonState) {
ButtonClickState = ButtonState & ~OldButtonState; // Update click state variable
OldButtonState = ButtonState;
}
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}
if(readBuf[0] != 0x20) { // Check if it's the correct report, otherwise return - the controller also sends different status reports
#ifdef EXTRADEBUG
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Notify(PSTR("\r\nXbox Poll: "), 0x80);
D_PrintHex<uint8_t > (readBuf[0], 0x80); // 0x03 is a heart beat report!
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#endif
return;
}
uint16_t xbox = ButtonState & pgm_read_word(&XBOX_BUTTONS[ButtonIndex(XBOX)]); // Since the XBOX button is separate, save it and add it back in
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// xbox button from before, dpad, abxy, start/back, sync, stick click, shoulder buttons
ButtonState = xbox | (((uint16_t)readBuf[5] & 0xF) << 8) | (readBuf[4] & 0xF0) | (((uint16_t)readBuf[4] & 0x0C) << 10) | ((readBuf[4] & 0x01) << 3) | (((uint16_t)readBuf[5] & 0xC0) << 8) | ((readBuf[5] & 0x30) >> 4);
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triggerValue[0] = (uint16_t)(((uint16_t)readBuf[7] << 8) | readBuf[6]);
triggerValue[1] = (uint16_t)(((uint16_t)readBuf[9] << 8) | readBuf[8]);
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hatValue[LeftHatX] = (int16_t)(((uint16_t)readBuf[11] << 8) | readBuf[10]);
hatValue[LeftHatY] = (int16_t)(((uint16_t)readBuf[13] << 8) | readBuf[12]);
hatValue[RightHatX] = (int16_t)(((uint16_t)readBuf[15] << 8) | readBuf[14]);
hatValue[RightHatY] = (int16_t)(((uint16_t)readBuf[17] << 8) | readBuf[16]);
// Read and store share button separately
const bool newShare = (readBuf[22] & 0x01) ? 1 : 0;
shareClicked = ((sharePressed != newShare) && newShare) ? 1 : 0;
sharePressed = newShare;
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//Notify(PSTR("\r\nButtonState"), 0x80);
//PrintHex<uint16_t>(ButtonState, 0x80);
if(ButtonState != OldButtonState) {
ButtonClickState = ButtonState & ~OldButtonState; // Update click state variable
OldButtonState = ButtonState;
}
// Handle click detection for triggers
if(triggerValue[0] != 0 && triggerValueOld[0] == 0)
L2Clicked = true;
triggerValueOld[0] = triggerValue[0];
if(triggerValue[1] != 0 && triggerValueOld[1] == 0)
R2Clicked = true;
triggerValueOld[1] = triggerValue[1];
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}
uint16_t XBOXONE::getButtonPress(ButtonEnum b) {
// special handling for 'SHARE' button due to index collision with 'BACK',
// since the 'SHARE' value originally came from the PS4 controller and
// the 'SHARE' button was added to Xbox later with the Series S/X controllers
if (b == SHARE) return sharePressed;
const int8_t index = getButtonIndexXbox(b); if (index < 0) return 0;
if(index == ButtonIndex(L2)) // These are analog buttons
return triggerValue[0];
else if(index == ButtonIndex(R2))
return triggerValue[1];
return (bool)(ButtonState & ((uint16_t)pgm_read_word(&XBOX_BUTTONS[index])));
}
bool XBOXONE::getButtonClick(ButtonEnum b) {
// special handling for 'SHARE' button, ibid the above
if (b == SHARE) {
if (shareClicked) {
shareClicked = false;
return true;
}
return false;
}
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const int8_t index = getButtonIndexXbox(b); if (index < 0) return 0;
if(index == ButtonIndex(L2)) {
if(L2Clicked) {
L2Clicked = false;
return true;
}
return false;
} else if(index == ButtonIndex(R2)) {
if(R2Clicked) {
R2Clicked = false;
return true;
}
return false;
}
uint16_t button = pgm_read_word(&XBOX_BUTTONS[index]);
bool click = (ButtonClickState & button);
ButtonClickState &= ~button; // Clear "click" event
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return click;
}
int16_t XBOXONE::getAnalogHat(AnalogHatEnum a) {
return hatValue[a];
}
/* Xbox Controller commands */
uint8_t XBOXONE::XboxCommand(uint8_t* data, uint16_t nbytes) {
data[2] = cmdCounter++; // Increment the output command counter
uint8_t rcode = pUsb->outTransfer(bAddress, epInfo[ XBOX_ONE_OUTPUT_PIPE ].epAddr, nbytes, data);
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#ifdef DEBUG_USB_HOST
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if(rcode) {
Notify(PSTR("\r\nXboxCommand failed. Return: "), 0x80);
D_PrintHex<uint8_t > (rcode, 0x80);
}
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#endif
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return rcode;
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}
// The Xbox One packets are described at: https://github.com/quantus/xbox-one-controller-protocol
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void XBOXONE::onInit() {
// A short buzz to show the controller is active
uint8_t writeBuf[13];
// Activate rumble
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writeBuf[0] = 0x09;
writeBuf[1] = 0x00;
// Byte 2 is set in "XboxCommand"
// Single rumble effect
writeBuf[3] = 0x09; // Substructure (what substructure rest of this packet has)
writeBuf[4] = 0x00; // Mode
writeBuf[5] = 0x0F; // Rumble mask (what motors are activated) (0000 lT rT L R)
writeBuf[6] = 0x04; // lT force
writeBuf[7] = 0x04; // rT force
writeBuf[8] = 0x20; // L force
writeBuf[9] = 0x20; // R force
writeBuf[10] = 0x80; // Length of pulse
writeBuf[11] = 0x00; // Off period
writeBuf[12] = 0x00; // Repeat count
XboxCommand(writeBuf, 13);
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if(pFuncOnInit)
pFuncOnInit(); // Call the user function
}
void XBOXONE::setRumbleOff() {
uint8_t writeBuf[13];
// Activate rumble
writeBuf[0] = 0x09;
writeBuf[1] = 0x00;
// Byte 2 is set in "XboxCommand"
// Continuous rumble effect
writeBuf[3] = 0x09; // Substructure (what substructure rest of this packet has)
writeBuf[4] = 0x00; // Mode
writeBuf[5] = 0x0F; // Rumble mask (what motors are activated) (0000 lT rT L R)
writeBuf[6] = 0x00; // lT force
writeBuf[7] = 0x00; // rT force
writeBuf[8] = 0x00; // L force
writeBuf[9] = 0x00; // R force
writeBuf[10] = 0x00; // On period
writeBuf[11] = 0x00; // Off period
writeBuf[12] = 0x00; // Repeat count
XboxCommand(writeBuf, 13);
}
void XBOXONE::setRumbleOn(uint8_t leftTrigger, uint8_t rightTrigger, uint8_t leftMotor, uint8_t rightMotor) {
uint8_t writeBuf[13];
// Activate rumble
writeBuf[0] = 0x09;
writeBuf[1] = 0x00;
// Byte 2 is set in "XboxCommand"
// Continuous rumble effect
writeBuf[3] = 0x09; // Substructure (what substructure rest of this packet has)
writeBuf[4] = 0x00; // Mode
writeBuf[5] = 0x0F; // Rumble mask (what motors are activated) (0000 lT rT L R)
writeBuf[6] = leftTrigger; // lT force
writeBuf[7] = rightTrigger; // rT force
writeBuf[8] = leftMotor; // L force
writeBuf[9] = rightMotor; // R force
writeBuf[10] = 0xFF; // On period
writeBuf[11] = 0x00; // Off period
writeBuf[12] = 0xFF; // Repeat count
XboxCommand(writeBuf, 13);
}